<?php

/**
 * Access plugin that provides role-based access control.
 */
class views_plugin_access_role extends views_plugin_access {

    function access($account) {
        return views_check_roles(array_filter($this->options['role']), $account);
    }

    function get_access_callback() {
        return array('views_check_roles', array(array_filter($this->options['role'])));
    }

    function summary_title() {
        $count = count($this->options['role']);
        if ($count < 1) {
            return t('No role(s) selected');
        } else if ($count > 1) {
            return t('Multiple roles');
        } else {
            $rids = views_ui_get_roles();
            $rid = reset($this->options['role']);
            return $rids[$rid];
        }
    }

    function option_defaults(&$options) {
        $options['role'] = array();
    }

    function options_form(&$form, &$form_state) {
        $form['role'] = array(
            '#type' => 'checkboxes',
            '#title' => t('Role'),
            '#default_value' => $this->options['role'],
            '#options' => views_ui_get_roles(),
            '#description' => t('Only the checked roles will be able to access this display. Note that users with "access all views" can see any view, regardless of role.'),
        );
    }

    function options_validate(&$form, &$form_state) {
        if (!array_filter($form_state['values']['access_options']['role'])) {
            form_error($form['role'], t('You must select at least one role if type is "by role"'));
        }
    }

    function options_submit(&$form, &$form_state) {
        // I hate checkboxes.
        $form_state['values']['access_options']['role'] = array_filter($form_state['values']['access_options']['role']);
    }

}
